AMD Radeon HD 7750M vs ATI Radeon HD 4830
What is the difference between AMD Radeon HD 7750M and ATI Radeon HD 4830. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Chelsea | GPU Name | RV770 |
| Chelsea PRO | Model number | RV770 LE (215-0669075) |
| GCN 1.0 | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 55 nm |
| 1,500 million | Transistors | 956 million |
| 123 mm² | Die Size | 256 mm² |
Graphics Card
| Apr 24th, 2012 | Release Date | Oct 21st, 2008 |
| London (HD 7700M) | Family | Radeon R700 (HD 4800) |
| End-of-life | Production | End-of-life |
| Vancouver | Predecessor | Radeon R600 |
| PCIe 2.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 2 GB | Memory Size | 512 MB |
| GDDR5 | Memory Type | GDDR3 |
| 128 bit | Memory Bus | 256 bit |
| 64.00 GB/s | Bandwidth | 57.60 GB/s |
Performance
| 9.200 GPixel/s | Pixel fillrate | 9.200 GPixel/s |
| 18.40 GTexel/s | Texture fillrate | 18.40 GTexel/s |
| 588.8 GFLOPS | FP32 (float) performance | 736.0 GFLOPS |
| 36.80 GFLOPS (1:16) | FP64 (double) performance | 147.2 GFLOPS (1:5) |
Clock Speeds
| 1000 MHz 4 Gbps effective | Memory Clock | 900 MHz 1800 Mbps effective |
| 575 MHz | GPU Clock | 575 MHz |
Render Config
| 512 | Shading Units | 640 |
| 32 | TMUs | 32 |
| 16 | ROPs | 16 |
| 8 | Compute Units | 8 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| 28 W | Thermal design power (TDP) | 95 W |
| No outputs | Display Connectors | 2x DVI 1x S-Video |
API support
| 12 (11_1) | DirectX | 10.1 (10_1) |
| 4.6 | OpenGL | 3.3 |
| 1.2 | OpenCL | 1.1 |
| 1.2 | Vulkan | N/A |
| 5.1 | Shader Model | 4.1 |